Well, in the case of Urban Dictionary, it's someone who's only posted one definition, and that definition always bashes some other system.
I believe we all know what a fanboy is.
by spel itt rite March 14, 2006
A person who has an undying urge to sway everyone that is not a believer of the belief system they have towards a game or system or every piece of hardware. If they do not succeed, they will not sway from their statement infront of anyone who knows their stancel.
ATI vs. Nvidia, Counter Strike vs. Unreal Tournament, AMD vs. Intel.
by {LoC}Deathscythe April 11, 2004
Plural for fanboy. Fanboys are people that remain loyal to something, no matter how much it sucks. People that remain loyal to videogame companies are usually named as a fanboy. Examples of this is the Xbot, the PSTool, and the Nintendrone
Fanboys suck no matter what they remain loyal to
by Justin H. April 12, 2005
a person willing to defend and promote the object of his affection regardless of fact and objectivity. This encompasses everything from technological items like PC's and game consoles to gearheads and fishing fanatics.
Nintendo fanboy: Wii is better than PS3 and X360!

Gearhead: Greddy exhaust is way better than Dynomax!

Fisherman: Fly fishing rods by St. Croix are the best!

Golfer: If it's not a Calloway, its not a club!
by Tony Monteleone July 06, 2006
Someone who has devoted their entire consciousness and personality to a random form of capitalistic media. Commonly found amongst gamers, music listeners, celebrity worshipers, anime freaks, etc. Will not hesitate to bash the living shit out of anyone who doesn't like what they like with such callous and witty insults as "fag" "fAg" and "FAG."
Fanboys don't realize that Sega, Sony, Nintendo, etc. all make good and bad products alike.
by C-can October 20, 2003
A fanboy is any person who is the unthinking pawn of a major label/brand. A fanboy is just about the most annoying creature on earth, particularly in the heated debate of Mac vs. PC or in the realm of politics. They tend to be really irrational, and unwilling to look at both sides of the debate: repeating things by rote and being completely partisan. Also, the typical fanboy is totally uninformed and biased to a precedent, hence the repetition of rote sayings or facts/myths.
Mac fanboy says "Apple can do anything! Even make an edible iphone, if only to prove they can do anything!!!!"

PC fanboys says "PC for the win!"/"Mac's may crash less but their crashes are worse!"

both tend to be dumbasses
by thorhizzle May 03, 2009
Plural for fanboy. People who are obsessed with one thing and try to model their lives around that one thing. Examples are furries, anime fanatics, and Megatokyo readers.
Wapanese are examples of fanboys.
by otaku killer October 09, 2003

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